The city of guangzhou, m. A., ltd., has a registered address in room b, room b, no. 1, gangeung tongang ring road, guangzhou city. The registration authority is the city of guangzhou market supervision authority for the white cloud area, with legal representatives and includes retail sales of computer software and hardware and assistive equipment; wholesale distribution of computer software and hardware and assistive equipment; computer system services; sales of slides and projecting equipment; sale of lamps; solar power technology services; sale of solar heat equipment; sale of solar heating products; import and export of goods; sales of teaching models and teaching aids; sale of specialized equipment; research and development of material networking technology; development of hardware products; development of mechanical equipment; development and development of new materials technology; sale of technical services, technology development, technical advice, exchange of technology, te...